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Boring method of toughened plastic part

A toughened plastic and boring technology, which is applied in metal processing and other directions, can solve the problems that affect the processing quality and are not suitable for processing toughened plastic parts.

Inactive Publication Date: 2015-08-05
柳州蔚园塑料彩印包装有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide a boring method for toughened plastic parts to solve the problem that the existing boring method is not suitable for processing toughened plastic parts and affects the processing quality

Method used

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  • Boring method of toughened plastic part
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Effect test

Embodiment 1

[0017] The method for boring a toughened plastic part includes processing a toughened plastic part with a toughened plastic part boring drill. Toughened plastic parts boring drill such as figure 1 , figure 2 As shown, it includes a cutting part 1 and a shank 3, and there is a neck 2 between the cutting part 1 and the shank 3. The cutting part 1 includes two main cutting edges 1-1 arranged symmetrically with the center line, and one main cutting edge One side of the 1-1 is provided with an edge 1-2, two main cutting edges are provided with grooves in front, the main cutting edge 1-1 and the edge 1-2 are axially twisted, and the end of the cutting part 1 is provided with The chisel edges 1-3 on both sides are arranged symmetrically with the center line, the material of the cutting part is cemented carbide, and the whole cutting part is made of stronger cemented carbide material or diamond material, so that the drill can meet the requirements of strength without being affected ...

Embodiment 2

[0024] The method for boring a toughened plastic part includes processing a toughened plastic part with a toughened plastic part boring drill. The material of the cutting part of the toughened plastic part boring drill can also be selected from diamond, and the torsion angle can be 16°, and other structures are as in the first embodiment.

[0025] Its processing method comprises the following steps:

[0026] A: Preheating: Preheat the toughened plastic parts to be processed, the heating temperature is 130°C, and the cross-sectional area is 60 minutes per 10 square millimeters;

[0027] B: Pre-drilling: Pre-drill the toughened plastic parts to be processed with a hollow drill;

[0028] C: Drilling: use the toughened plastic part boring drill to shape the toughened plastic part to be processed.

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Abstract

The invention discloses a boring method of a toughened plastic part. The method comprise the step that a toughened plastic part boring drill is used for machining the toughened plastic part, and the toughened plastic part boring drill comprises a cutting portion, a handle portion, two side main cutting blades, edge blades and grooves; and the main cutting blades and the edge blades axially twist, and the end of the cutting portion is provided with two side transverse blades symmetric with the central line; the cutting portion is made of hard alloy, and the twisting angles between the main cutting blades and the central line range from 12 degrees to 16 degrees; and a machining method comprises the following steps of A, preheating, B, pre-drilling and C drilling. The toughened plastic part boring drill machines the toughened plastic part to be machined. The problems that an existing boring drill inconveniently machines the toughened plastic part, and the machining quality is affected are solved.

Description

technical field [0001] The invention relates to the technical field of plastic equipment manufacturing, in particular to a boring drill for processing toughened plastic parts. Background technique [0002] Existing boring drills for boring machines generally include a cutting part and a shank. There is also a neck between the cutting part and the shank. There are edge edges on the side, and grooves are arranged in front of the two main cutting edges. The main cutting edge and the edge edges are both axially twisted. The length of the cutting part has a certain relationship. However, for the processing of toughened plastic parts, due to the excessive stress concentration of the plastic parts, this kind of boring drill is not sharp enough. It is found through research that the main cutting edge and the center line The torsion angle is too large; while the material of standard drill bits is generally made of various high-speed steels such as HSS, and the hardness is not enough...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26F1/16B26D7/10
CPCB26F1/16B26D7/10
Inventor 李国华
Owner 柳州蔚园塑料彩印包装有限责任公司
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